Make the new datastore testing proxy actually store the requests

This will improve error messages and allow for easier debugging
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=123893831

java/google/registry/model/ofy/ObjectifyService.java

@@ -109,7 +109,7 @@ public class ObjectifyService {
         // examine the number of requests sent to datastore.
         AsyncDatastoreService service = super.createRawAsyncDatastoreService(cfg);
         return RegistryEnvironment.get().equals(RegistryEnvironment.UNITTEST)
-            ? new RequestCountingAsyncDatastoreService(service)
+            ? new RequestCapturingAsyncDatastoreService(service)
             : service;
       }});